[SCSI] fusion: kzalloc / kcalloc conversion

Convert kmalloc + memset to kzalloc or kcalloc in fusion.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 11 insertions, 24 deletions

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 19fc03ecdf60..668a101b89f0 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -258,13 +258,12 @@ mptsas_slave_alloc(struct scsi_device *sdev)
         struct scsi_target      *starget;
         int i;
 
-        vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
+        vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
         if (!vdev) {
                 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
                                 hd->ioc->name, sizeof(VirtDevice));
                 return -ENOMEM;
         }
-        memset(vdev, 0, sizeof(VirtDevice));
         vdev->ioc_id = hd->ioc->id;
         sdev->hostdata = vdev;
         starget = scsi_target(sdev);
@@ -1044,10 +1043,9 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index)
         u32 handle = 0xFFFF;
         int error = -ENOMEM, i;
 
-        port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
+        port_info = kzalloc(sizeof(*port_info), GFP_KERNEL);
         if (!port_info)
                 goto out;
-        memset(port_info, 0, sizeof(*port_info));
 
         error = mptsas_sas_io_unit_pg0(ioc, port_info);
         if (error)
@@ -1096,10 +1094,9 @@ mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle, int *index)
         struct mptsas_portinfo *port_info, *p;
         int error = -ENOMEM, i, j;
 
-        port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
+        port_info = kzalloc(sizeof(*port_info), GFP_KERNEL);
         if (!port_info)
                 goto out;
-        memset(port_info, 0, sizeof(*port_info));
 
         error = mptsas_sas_expander_pg0(ioc, port_info,
                 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
@@ -1390,11 +1387,10 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         MPT_SCSI_HOST           *hd;
         MPT_ADAPTER             *ioc;
         unsigned long            flags;
-        int                      sz, ii;
+        int                      ii;
         int                      numSGE = 0;
         int                      scale;
         int                      ioc_cap;
-        u8                      *mem;
         int                     error=0;
         int                     r;
 
@@ -1518,36 +1514,27 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         /* SCSI needs scsi_cmnd lookup table!
          * (with size equal to req_depth*PtrSz!)
          */
-        sz = ioc->req_depth * sizeof(void *);
-        mem = kmalloc(sz, GFP_ATOMIC);
-        if (mem == NULL) {
+        hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
+        if (!hd->ScsiLookup) {
                 error = -ENOMEM;
                 goto out_mptsas_probe;
         }
 
-        memset(mem, 0, sz);
-        hd->ScsiLookup = (struct scsi_cmnd **) mem;
-
-        dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n",
-                 ioc->name, hd->ScsiLookup, sz));
+        dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
+                 ioc->name, hd->ScsiLookup));
 
         /* Allocate memory for the device structures.
          * A non-Null pointer at an offset
          * indicates a device exists.
          * max_id = 1 + maximum id (hosts.h)
          */
-        sz = sh->max_id * sizeof(void *);
-        mem = kmalloc(sz, GFP_ATOMIC);
-        if (mem == NULL) {
+        hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC);
+        if (!hd->Targets) {
                 error = -ENOMEM;
                 goto out_mptsas_probe;
         }
 
-        memset(mem, 0, sz);
-        hd->Targets = (VirtTarget **) mem;
-
-        dprintk((KERN_INFO
-          "  vtarget @ %p, sz=%d\n", hd->Targets, sz));
+        dprintk((KERN_INFO "  vtarget @ %p\n", hd->Targets));
 
         /* Clear the TM flags
          */